Blogger Free Template

There are several possible factors that cause an error Bx-xxxx:

•The code is directly copied, and Blogger did not interpret it.
•Temporarily not accepting Blogger templates with certain codes or gadgets.
Possible solutions:

•Remove widgets or gadgets that come with the template downloaded.
•Clear your browser’s cookies.
•Trying to upload the template with a different browser (Opera, Firefox, Chrome, etc).
•No copy and paste the code directly, upload the xml file.
•Wait 24 hours and try again.